The T.R 83.031 board serves as a "universal" replacement motherboard for various China-made and international LED/LCD TV brands, such as Ecostar. It is often utilized when the original motherboard of a TV fails or when a hobbyist wants to convert a computer monitor into a functioning television with HDMI, USB, and VGA inputs. The Role of Software (Firmware)
This usually means the driver associated with T.r 83.031 didn't install correctly. Check your Device Manager for any yellow exclamation marks. T.r 83.031 Software Download